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/*
* Copyright (C) 2009 David Brownell
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* Spectrum Digital TMS320DM355 EVM board */
#define DAVINCI_DM355EVM
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is a 3rd stage loader */
#define CONFIG_SKIP_RELOCATE_UBOOT
#define CONFIG_SYS_NO_FLASH /* that is, no *NOR* flash */
#define CONFIG_SYS_CONSOLE_INFO_QUIET
#define CONFIG_DISPLAY_CPUINFO
/* SoC Configuration */
#define CONFIG_ARM926EJS /* arm926ejs CPU */
#define CONFIG_SYS_TIMERBASE 0x01c21400 /* use timer 0 */
#define CONFIG_SYS_HZ_CLOCK 24000000 /* timer0 freq */
#define CONFIG_SYS_HZ 1000
#define CONFIG_SOC_DM355
/* Memory Info */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM_1 0x80000000
#define PHYS_SDRAM_1_SIZE (128 << 20) /* 128 MiB */
/* Serial Driver info: UART0 for console */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE -4
#define CONFIG_SYS_NS16550_COM1 0x01c20000
#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_HZ_CLOCK
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
/* Ethernet: external DM9000 */
#define CONFIG_DRIVER_DM9000 1
#define CONFIG_DM9000_BASE 0x04014000
#define DM9000_IO CONFIG_DM9000_BASE
#define DM9000_DATA (CONFIG_DM9000_BASE + 2)
#define CONFIG_NET_MULTI
/* I2C */
#define CONFIG_HARD_I2C
#define CONFIG_DRIVER_DAVINCI_I2C
#define CONFIG_SYS_I2C_SPEED 400000
#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */
/* NAND: socketed, two chipselects, normally 2 GBytes */
/* NYET -- #define CONFIG_NAND_DAVINCI */
#define CONFIG_SYS_NAND_HW_ECC
#define CONFIG_SYS_NAND_USE_FLASH_BBT
#define CONFIG_SYS_NAND_LARGEPAGE
#define CONFIG_SYS_NAND_BASE_LIST { 0x02000000, }
/* socket has two chipselects, nCE0 gated by address BIT(14) */
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_MAX_CHIPS 2
/* USB: OTG connector */
/* NYET -- #define CONFIG_USB_DAVINCI */
/* U-Boot command configuration */
#include <config_cmd_default.h>
#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_FLASH
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_SETGETDCR
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_I2C
#define CONFIG_CMD_PING
#define CONFIG_CMD_SAVES
#ifdef CONFIG_NAND_DAVINCI
#define CONFIG_CMD_MTDPARTS
#define CONFIG_MTD_PARTITIONS
#define CONFIG_CMD_NAND
#define CONFIG_CMD_UBI
#define CONFIG_RBTREE
#endif
/* TEMPORARY -- no safe place to save env, yet */
#define CONFIG_ENV_IS_NOWHERE
#undef CONFIG_CMD_SAVEENV
#ifdef CONFIG_USB_DAVINCI
#define CONFIG_MUSB_HCD
#define CONFIG_CMD_USB
#define CONFIG_USB_STORAGE
#else
#undef CONFIG_MUSB_HCD
#undef CONFIG_CMD_USB
#undef CONFIG_USB_STORAGE
#endif
#define CONFIG_CRC32_VERIFY
#define CONFIG_MX_CYCLIC
/* U-Boot general configuration */
#undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
#define CONFIG_BOOTFILE "uImage" /* Boot file name */
#define CONFIG_SYS_PROMPT "DM355 EVM # " /* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
#define CONFIG_SYS_PBSIZE /* Print buffer size */ \
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
#define CONFIG_SYS_LONGHELP
#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */
/* NYET -- #define CONFIG_BOOTDELAY 5 */
#define CONFIG_BOOTCOMMAND \
"dhcp;bootm"
#define CONFIG_BOOTARGS \
"console=ttyS0,115200n8 " \
"root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
#define CONFIG_CMDLINE_EDITING
#define CONFIG_VERSION_VARIABLE
#define CONFIG_TIMESTAMP
#define CONFIG_NET_RETRY_COUNT 10
/* U-Boot memory configuration */
#define CONFIG_STACKSIZE (256 << 10) /* 256 KiB */
#define CONFIG_SYS_MALLOC_LEN (512 << 10) /* 512 KiB */
#define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */
#define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */
#define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */
/* Linux interfacing */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */
#define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */
/* NAND configuration ... socketed with two chipselects. It normally comes
* with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
* 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC
* pretty much demands the 4-bit ECC support.) You can of course swap in
* other parts, including small page ones.
*
* This presents a single read-only partition for all bootloader stuff.
* UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
* some extra space to help cope with bad blocks in that data. Linux
* shouldn't care about its detailed layout, and will probably want to use
* UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to
* override this default partitioning using MTDPARTS and cmdlinepart.
*/
#define MTDIDS_DEFAULT "nand0=davinci_nand.0"
#ifdef CONFIG_SYS_NAND_LARGEPAGE
/* Use same layout for 128K/256K blocks; allow some bad blocks */
#define PART_BOOT "2m(bootloader)ro,"
#else
/* Assume 16K erase blocks; allow a few bad ones. */
#define PART_BOOT "512k(bootloader)ro,"
#endif
#define PART_KERNEL "4m(kernel)," /* kernel + initramfs */
#define PART_REST "-(filesystem)"
#define MTDPARTS_DEFAULT \
"mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
#endif /* __CONFIG_H */
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